Landscape Spline meshes lose vertex color paint after moving to another level

UE - Graphics Tools - Terrain - Landscape - May 11, 2018

UDN: https://udn.unrealengine.com/questions/432735/%E5%9C%A8%E6%B5%81%E5%85%B3%E5%8D%A1%E4%B8%AD%E6%8F%8F%E7%94%BB%E6%A0%B7%E6%9D%A1%E6%9B%B2%E7%BA%BF%E4%B9%8B%E5%90%8E%E5%A6%82%E6%9E%9C%E6%8A%8A%E ...

HTML5 packaging fails with Github couldn't verify LLVM version

UE - Platform - Mobile - Jun 21, 2016

Packaging code projects on Mac for HTML5 fails. A lot of Could not verify LLVM version warnings appear in the output log.[2016.06.21-22.27.10:488][413]UATHelper: Packaging (HTML5): UnrealBuildTool: ...

[CrashReport] UE4Editor_UnrealEd!ObjectTools::ForceDeleteObjects() [objecttools.cpp:2097]

UE - Gameplay - Blueprint - Aug 8, 2016

This JIRA is being entered as a result of it being one of the top crashes occurring in 4.13 Preview 1. Error message: Ensure condition failed: Lhs.CurrentNum == Lhs.InitialNum [Link Removed] [Line ...

[CrashReport] SMediaPlayerEditorOutput::UpdateSoundWave(), SetAudioSink()

Media Framework - Aug 9, 2016

This JIRA is being entered as a result of it being one of the top crashes in 4.13 Preview 1. Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 67 ...

If you add a cluster to another level to create HLOD and open a hierarchical outliner at the original level, the original level crashes.

UE - World Creation - Worldbuilding Tools - HLOD - Feb 28, 2018

Please check the attached file. https://udn.unrealengine.com/questions/417308/hlod-%E3%82%92%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%88%A5%E3%83%AC%E3%83%98%E3%83%AB%E3% ...

"Landscape Layer" Doesn't appear in LandscapeMode even when the landscape is assigned a Layer-Based Material

UE - Graphics Tools - Terrain - Aug 19, 2026

POST LINK: https://forums.unrealengine.com/t/bug-ue5-8-1-landscape-layer-doesnt-appear-in-landscapemode-even-when-the-landscape-is-assigned-a-layer-based-material/2745109 POST BODY:Summary[Bug][UE5 ...

Bake To Control Rig produces empty keys when rig uses Import Skeleton in Construction Event and binding is a spawnable in a subsequence

UE - ACT Character - Control Rig - Aug 28, 2026

Bake To Control Rig fails to key procedurally-created controls when all three of the following are true:The Control Rig creates its hierarchy at runtime via Import Skeleton in the Construction Event ...

LIVE: RENDERING: Movable Mesh does not receive shadows from Static meshes in static or stationary lighting

UE - Graphics Features - Apr 30, 2014

---------------------------------------------------------------------------------------------------------------------- Build: 4.1.0-2057451 Description: Movable meshes and blueprints set to cast n ...

Look at Android GetTimeStamp local file handling

UE - Platform - Mobile - Systems - May 29, 2020

Only files in UFS or NonUFS manifest that are local are returning a non-minvalue timestamp.  While this is expected it is causing issues with logging file handling. See: https://udn.unrealengine.co ...

Virtual Joystick + Swipe to Look = Choppy camera movement on newer iOS devices

UE - Platform - Mobile - Jan 10, 2020

User Submitted Video: [Link Removed] User Description: "Swipe to look (with only the left virtual gamepad joystick) is undoubtedly the established gold standard for 3D First Person mobile games. ...